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University · Xi'an · China

Chang'an University

In research, Chang'an University stands highest in Civil and Structural Engineering (#6 of 896 worldwide), Engineering (#76 of 6,636 worldwide) and Environmental Science (#52 of 3,551 worldwide), 2022–2025. Relative to its size it is most specialised in Civil and Structural Engineering, Safety, Risk, Reliability and Quality and Automotive Engineering — Civil and Structural Engineering is 15.3× its share of world research.

chd.edu.cnROR OpenAlex
World rank, 2022–2025
#376
of 28,054 · #892 all time
Rank in China
#135
of 3,058
Research works
24k
▲ 98% vs 2013–17
Citations
272k
11.2 per fractional work
Top-10% rate
23.2%
record average 16.5%
Open access
26%
world 28%

What is Chang'an University known for in research?

The fields where it stands highest, 2022–2025, ranked among every institution above the floor in each field.

FieldWorld rankWhere that sitsTop-10% rateWorksAll time
Civil and Structural EngineeringSubfield #6 of 896 24.7%1,401 #24
EngineeringField #76 of 6,636 21.6%4,148 #171
Environmental ScienceField #52 of 3,551 29.7%856 #186
Physical SciencesDomain #212 of 12,888 22.5%6,802 #631
Management, Monitoring, Policy and LawSubfield #8 of 324 45.5%153 #47
Earth and Planetary SciencesField #34 of 1,209 25.1%372 #147
Building and ConstructionSubfield #21 of 422 17.7%341 #90
Mechanical EngineeringSubfield #114 of 1,351 22.3%346 #444
Social SciencesDomain #893 of 10,521 29.7%680 #1938
Environmental EngineeringSubfield #33 of 315 26.8%193 #88

Each strip is that field’s whole ranked pool, with the notch where Chang'an University sits in it, in the colour of the band that rank falls in. The track under the rate is the rate itself: it carries no world mark, because the world rate differs by field (from about 6% to 21% in this record).

Which of those standings moved

The same fields on both windows: where it stood over the whole record, and where it stands in 2022–2025. The distance is the story, and it is the one thing the two rank columns above cannot show.

  1. Civil and Structural Engineering#24 #6
  2. Engineering#171 #76
  3. Environmental Science#186 #52
  4. Physical Sciences#631 #212
  5. Management, Monitoring, Policy and Law#47 #8
  6. Earth and Planetary Sciences#147 #34
  7. Building and Construction#90 #21
  8. Mechanical Engineering#444 #114
  9. Social Sciences#1,938 #893
  10. Environmental Engineering#88 #33
all time2022–2025, better2022–2025, worse

A dot further right is a better standing. Fields it was not ranked in over the whole record are left out.

What does Chang'an University specialise in?

Where its research is concentrated relative to its size: Civil and Structural Engineering takes 15.3× the share of its output that it takes of world research.

  1. Civil and Structural EngineeringSubfield · 1,401.2 works15×
  2. Safety, Risk, Reliability and QualitySubfield · 182.5 works9.8×
  3. Automotive EngineeringSubfield · 313.2 works7.5×
  4. Building and ConstructionSubfield · 340.6 works7.1×
  5. TransportationSubfield · 178.1 works6.9×
  6. Geochemistry and PetrologySubfield · 50.1 works6.3×
← less than its size predicts1×more →

Location quotient, a volume reading rather than an impact one. It surfaces small, lopsided specialities.

Field profile

Location quotient across every field it publishes in: outside the ring is more than an institution of this size would be expected to publish, inside it is less.

Agricultural and Biological Sciences: 0.22× its world share, 80 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.09× its world share, 36 worksBiochemistry, Geneti…Immunology and Microbiology: 0.03× its world share, 2 worksImmunology and Micro…Neuroscience: 0.13× its world share, 16 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 0.09× its world share, 3 worksPharmacology, Toxico…Chemical Engineering: 1.33× its world share, 36 worksChemical EngineeringChemistry: 0.57× its world share, 69 worksChemistryComputer Science: 1.07× its world share, 647 worksComputer ScienceEarth and Planetary Sciences: 3.06× its world share, 372 worksEarth and Planetary …Energy: 1.80× its world share, 128 worksEnergyEngineering: 3.56× its world share, 4,148 worksEngineeringEnvironmental Science: 2.22× its world share, 856 worksEnvironmental ScienceMaterials Science: 1.65× its world share, 447 worksMaterials ScienceMathematics: 0.35× its world share, 32 worksMathematicsPhysics and Astronomy: 0.39× its world share, 67 worksPhysics and AstronomyDentistry: 0.04× its world share, 2 worksDentistryHealth Professions: 0.21× its world share, 43 worksHealth ProfessionsMedicine: 0.06× its world share, 92 worksMedicineNursing: 0.15× its world share, 6 worksNursingVeterinary: 0.01× its world share, 0 worksVeterinaryArts and Humanities: 0.08× its world share, 18 worksArts and HumanitiesBusiness, Management and Accounting: 0.56× its world share, 139 worksBusiness, Management…Decision Sciences: 1.02× its world share, 77 worksDecision SciencesEconomics, Econometrics and Finance: 0.46× its world share, 76 worksEconomics, Econometr…Psychology: 0.32× its world share, 76 worksPsychologySocial Sciences: 0.30× its world share, 294 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Engineering, 3.6×. Every wedge is a field page.

Who are the top researchers at Chang'an University?

Ranked on the composite score, Jie Gao, Peiyue Li and Aimin Sha lead among researchers whose main affiliation is Chang'an University.

  1. 1 Jie Gao China · #59,929 worldwide 303 citations · 45 works
  2. 2 Peiyue Li China · #74,392 worldwide 496 citations · 54 works
  3. 3 Aimin Sha China · #95,434 worldwide 379 citations · 66 works
  4. 4 Zhigang Xu China · #110,243 worldwide 221 citations · 45 works
  5. 5 Zhenhong Li China · #127,839 worldwide 596 citations · 92 works
  6. 6 Jianhua Wu China · #128,256 worldwide 295 citations · 25 works
  7. 7 Zhuangzhuang Liu China · #156,110 worldwide 176 citations · 38 works
  8. 8 Hainian Wang China · #190,532 worldwide 313 citations · 45 works
  9. 9 Haigen Min China · #194,956 worldwide 183 citations · 23 works
  10. 10 Jinxing Lai China · #202,714 worldwide 156 citations · 30 works
All ranked researchers at Chang'an University

Which keywords describe research at Chang'an University?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Deep Learning, Recycled Materials, Remote Sensing, Convolutional Neural Networks, Life Cycle Assessment, Nanomaterials, Image Processing and Rheology.

▲ more of its work than of the world’s◆ about the world’s share▼ less than the world’s

Size is fractional works in 2022–2025 in the topics tagged with each word; colour is the word's share of this institution's work against its share of the world's. The 40 words are chosen for being large and distinctive. Each links to the topic it comes from most.

All 40 words, with their numbers
  1. Deep Learning842▲ 3.2×82 topics
  2. Remote Sensing434▲ 4.5×38 topics
  3. Nanomaterials379▲ 4.6×19 topics
  4. Machine Learning359▲ 1.41×85 topics
  5. Recycled Materials352▲ 40×2 topics
  6. Convolutional Neural Networks351▲ 6.2×14 topics
  7. Environmental Impact314▲ 2.4×47 topics
  8. Life Cycle Assessment310▲ 14×8 topics
  9. Climate Change302▲ 1.44×73 topics
  10. Mechanical Properties300▲ 4.0×38 topics
  11. Neural Networks282▲ 2.4×37 topics
  12. Image Processing275▲ 8.0×13 topics
  13. Rheology265▲ 18×8 topics
  14. Defect Detection240▲ 23×3 topics
  15. Intelligent Transportation Systems239▲ 21×4 topics
  16. Asphalt237▲ 93×1 topic
  17. Bitumen Modification237▲ 93×1 topic
  18. Crack Detection220▲ 40×1 topic
  19. Pavement220▲ 40×1 topic
  20. Traffic Flow210▲ 26×2 topics
  21. Risk Assessment198▲ 3.8×19 topics
  22. Finite Element Analysis192▲ 11×9 topics
  23. Autonomous Vehicles165▲ 10×4 topics
  24. Artificial Neural Networks162▲ 4.4×9 topics
  25. Liquefaction158▲ 23×2 topics
  26. Tunnel158▲ 23×2 topics
  27. Electric Vehicles155▲ 6.7×4 topics
  28. GIS-based Modeling137▲ 21×2 topics
  29. Hazard133▲ 25×1 topic
  30. Landslide133▲ 25×1 topic
  31. Travel Behavior126▲ 17×2 topics
  32. Urban Traffic123▲ 13×3 topics
  33. Probabilistic Forecasting121▲ 8.0×3 topics
  34. Time Series Analysis121▲ 9.1×4 topics
  35. Short-Term Forecasting118▲ 11×2 topics
  36. Collision Avoidance118▲ 8.3×4 topics
  37. Analysis116▲ 16×4 topics
  38. CO2 Sequestration116▲ 7.8×4 topics
  39. Fiber Reinforced Concrete115▲ 18×1 topic
  40. Ultra-High Performance Concrete115▲ 18×1 topic

Which research topics does Chang'an University publish most on?

By volume in 2022–2025: Asphalt Pavement Performance Evaluation, Infrastructure Maintenance and Monitoring, Landslides and related hazards and Innovative concrete reinforcement materials.

Asphalt Pavement Performance Evaluation: 237 fractional worksInfrastructure Maintenance and Monitoring: 220 fractional worksLandslides and related hazards: 133 fractional worksInnovative concrete reinforcement materials: 115 fractional worksTraffic Prediction and Management Techniques: 110 fractional worksTransportation Planning and Optimization: 103 fractional worksTraffic control and mana…101Traffic control and management: 101 fractional worksGeotechnical Engineering and Underground Structures: 99 fractional worksConcrete and Cement Materials Research: 93 fractional worksStructural Behavior of R…87Structural Behavior of Reinforced Concrete: 87 fractional works
Civil and Structural EngineeringManagement, Monitoring, Policy and LawBuilding and ConstructionTransportation1 others

Area is fractional works; colour is the subfield each topic belongs to.

  1. 1 Asphalt Pavement Performance Evaluation Civil and Structural Engineering 237 works
  2. 2 Infrastructure Maintenance and Monitoring Civil and Structural Engineering 220 works
  3. 3 Landslides and related hazards Management, Monitoring, Policy and Law 133 works
  4. 4 Innovative concrete reinforcement materials Civil and Structural Engineering 115 works
  5. 5 Traffic Prediction and Management Techniques Building and Construction 110 works
  6. 6 Transportation Planning and Optimization Transportation 103 works
  7. 7 Traffic control and management Control and Systems Engineering 101 works
  8. 8 Geotechnical Engineering and Underground Structures Civil and Structural Engineering 99 works
  9. 9 Concrete and Cement Materials Research Civil and Structural Engineering 93 works
  10. 10 Structural Behavior of Reinforced Concrete Building and Construction 87 works

How open and international is its research?

Against the world’s own shares — the tick on each track. Both are shares of its output, so they sit on one scale and can be read against each other as well as against the world.

openly available25.6%not open74.4%

World: 28% of research is openly available.

with international co-authors11.1%domestic only88.9%

World: 19% is written across borders.

How has Chang'an University's research output changed?

Output in 2018–2022 was 98% higher than in 2013–2017.

1990200020102020
grewheldshrank

The same series as a ribbon — one cell per year, darker for more. The line above answers how much; this answers when.

Other research institutions in Xi'an

All research institutions in Xi'an

Research measures only: rankings here say nothing about teaching, admissions or student experience. Comparable institutions and collaboration partners are in the interactive view on the map.